Home / 66,561,212.40-99,645,863.40-49,597,090.80

Finding the Fourth Proportional to 66,561,212.40, 99,645,863.40 and 49,597,090.80

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Solution

The fourth proportional to 66,561,212.40, 99,645,863.40 and 49,597,090.80 is: 74,249,623.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,561,212.40 : 99,645,863.40 = 49,597,090.80 : x
  2. Step 2: Convert to fraction form
    66,561,212.40/99,645,863.40 = 49,597,090.80/x
  3. Step 3: Cross multiply
    66,561,212.40x = 99,645,863.40 × 49,597,090.80
  4. Step 4: Simplify right side
    66,561,212.40x = 4,942,144,934,894,197
  5. Step 5: Solve for x
    x = 4,942,144,934,894,197/66,561,212.40
  6. Step 6: Final answer
    x = 74,249,623.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.